| **Accumulated Other Comprehensive Income (Loss) and Supplemental Equity Information- Supplemental Equity Schedule (Details) - USD ($) $ in Millions** | 1 Months Ended | 3 Months Ended |
|-------------------------------------------------------------------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                                                                        |           |           |   |
| Beginning Balance                                                                                                                                     |           | $ 4,042        | $ 4,244 |
| Net earnings                                                                                                                                          |           | 95             | 256 |
| Other comprehensive income (loss)                                                                                                                     |           | 18             | (97) |
| Cash dividends declared                                                                                                                               |           | (88)           | (81) |
| Repurchases of common stock                                                                                                                           | $ (500)        |           | (500) |
| Stock-based compensation                                                                                                                              |           | 33             | 17 |
| Common stock issued under employee stock plans and other, net                                                                                         |           |           | 38 |
| Tax benefit (shortfall) from stock plans                                                                                                              |           | (1)            | 5 |
| Ending Balance                                                                                                                                        |           | 4,099          | 3,882 |
| Shareholders' Equity Before Noncontrolling Interest                                                                                                   |           |           |   |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                                                                        |           |           |   |
| Beginning Balance                                                                                                                                     |           | 4,042          | 4,199 |
| Net earnings                                                                                                                                          |           | 95             | 262 |
| Other comprehensive income (loss)                                                                                                                     |           | 18             | (97) |
| Cash dividends declared                                                                                                                               |           | (88)           | (81) |
| Repurchases of common stock                                                                                                                           |           |           | (500) |
| Stock-based compensation                                                                                                                              |           | 33             | 17 |
| Common stock issued under employee stock plans and other, net                                                                                         |           |           | 38 |
| Tax benefit (shortfall) from stock plans                                                                                                              |           | (1)            | 5 |
| Ending Balance                                                                                                                                        |           | 4,099          | 3,843 |
| Noncontrolling Interest                                                                                                                               |           |           |   |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                                                                        |           |           |   |
| Beginning Balance                                                                                                                                     |           | 0              | 45 |
| Net earnings                                                                                                                                          |           | 0              | (6) |
| Other comprehensive income (loss)                                                                                                                     |           | 0              | 0 |
| Cash dividends declared                                                                                                                               |           | 0              | 0 |
| Repurchases of common stock                                                                                                                           |           |           | 0 |
| Stock-based compensation                                                                                                                              |           | 0              | 0 |
| Common stock issued under employee stock plans and other, net                                                                                         |           |           | 0 |
| Tax benefit (shortfall) from stock plans                                                                                                              |           | 0              | 0 |
| Ending Balance                                                                                                                                        |           | $ 0            | $ 39 |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP).
+ References
No definition available.
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
+ References
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| X                                                                                                                                                                                                                                                                                                                                             |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
+ References
No definition available.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after tax and reclassification adjustments of other comprehensive income (loss).
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
+ References
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| X                                                                                                                                           |
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| X                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------|
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